Home / 371,289,620.40-556,934,430.60-286,354,964.40

Finding the Fourth Proportional to 371,289,620.40, 556,934,430.60 and 286,354,964.40

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Solution

The fourth proportional to 371,289,620.40, 556,934,430.60 and 286,354,964.40 is: 429,532,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,289,620.40 : 556,934,430.60 = 286,354,964.40 : x
  2. Step 2: Convert to fraction form
    371,289,620.40/556,934,430.60 = 286,354,964.40/x
  3. Step 3: Cross multiply
    371,289,620.40x = 556,934,430.60 × 286,354,964.40
  4. Step 4: Simplify right side
    371,289,620.40x = 159,480,939,047,597,280
  5. Step 5: Solve for x
    x = 159,480,939,047,597,280/371,289,620.40
  6. Step 6: Final answer
    x = 429,532,446.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.